days_to_update: Set[str] = set()
children: list[Todo]
parents: list[Todo]
+ sorters = {'doneness': lambda t: t.is_done,
+ 'title': lambda t: t.title_then,
+ 'comment': lambda t: t.comment,
+ 'date': lambda t: t.date}
# pylint: disable=too-many-arguments
def __init__(self, id_: int | None,